Fix potential (but not actual) buffer overflow risk.

The line buffer is 256 bytes long, so the name subfield in the line
can't be bigger than 256 bytes, but

	1) somebody could make the line buffer bigger

and

	2) this way the format item and buffer size match

so we'll do it anyway.
IP packet information printing from NFLOG packet

Added nflog.h to Makefile.in

Alphabetical order in Makefile.in
Merge pull request #329 from PetarAlilovic/master

IP packet information printing from NFLOG packet